2897   const SCEV *LastIncExpr = nullptr;  in isProfitableChain()  local
2918     if (Inc.IncExpr == LastIncExpr)  in isProfitableChain()
2923     LastIncExpr = Inc.IncExpr;  in isProfitableChain()
2959   const SCEV *LastIncExpr = nullptr;  in ChainInstruction()  local
2985       LastIncExpr = IncExpr;  in ChainInstruction()
2998     LastIncExpr = OperExpr;  in ChainInstruction()
3002     if (!isa<SCEVAddRecExpr>(LastIncExpr))  in ChainInstruction()
3005     IVChainVec.push_back(IVChain(IVInc(UserInst, IVOper, LastIncExpr),  in ChainInstruction()
3009                       << ") IV=" << *LastIncExpr << "\n");  in ChainInstruction()
3012                       << ") IV+" << *LastIncExpr << "\n");  in ChainInstruction()
3014     IVChainVec[ChainIdx].add(IVInc(UserInst, IVOper, LastIncExpr));  in ChainInstruction()
3020   if (!LastIncExpr->isZero()) {  in ChainInstruction()